Home / 23,161.05-31,964.22-19,377.54

Finding the Fourth Proportional to 23,161.05, 31,964.22 and 19,377.54

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Solution

The fourth proportional to 23,161.05, 31,964.22 and 19,377.54 is: 26,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.05 : 31,964.22 = 19,377.54 : x
  2. Step 2: Convert to fraction form
    23,161.05/31,964.22 = 19,377.54/x
  3. Step 3: Cross multiply
    23,161.05x = 31,964.22 × 19,377.54
  4. Step 4: Simplify right side
    23,161.05x = 619,387,951.62
  5. Step 5: Solve for x
    x = 619,387,951.62/23,161.05
  6. Step 6: Final answer
    x = 26,742.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.